Biology, 19.11.2020 06:10 jacobmclawhorn3001
Why do we have different cells in our bodies if every cell has the same DNA?
A. Gene expression
B. Protein synthesis
C. Meiosis
D. Mitosis
Answers: 3
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When analyzing tree rings, what do scientists assume a thin ring indicates?
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Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.
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Biology, 22.06.2019 09:30
Along what geographical feature are most of the oil producing regions located
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Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
Answers: 1
Why do we have different cells in our bodies if every cell has the same DNA?
A. Gene expression
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